IllegalStateException while parsing the XML?

Question

While parsing the XMl, If the XML has one parent tag then it is working fine, If it has multiple parent tags then it is throwing the following exception.

java.lang.IllegalStateException: Current state END_ELEMENT is not among the statesCHARACTERS, COMMENT, CDATA, SPACE, ENTITY_REFERENCE, DTD valid for getText() 
        at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.getText(Unknown Source)
        at com.axxonet.queue.xmlParserValues.parse(xmlParserValues.java:37)
        at com.axxonet.queue.xmlParserValues.main(xmlParserValues.java:19)

If XML format has this structure then it is working fine.

<Address>
    <Name>Rahul</Name>
    <ID>2345</ID>
    <City>Pune</City>
    <Street>Gandhi Nagar</Street>
</Address>

If the any field value is null the tag is generate like <phone/> Then that time while parsing I am getting the following exception.

<Address>
    <Name>Rahul</Name>
    <ID>2345</ID>
    <City/>
    <Street>Gandhi Nagar</Street>
</Address>

I tried adding the IllegalStateException exception in catch block still it is throwing the exception.

My code is as follows,

Map<String, String> map = new HashMap<String, String>();
            XMLStreamReader xr;
                try {
                        xr = XMLInputFactory.newInstance().createXMLStreamReader(new FileInputStream("E:/Softwares/eclipse/reqOutputFile.xml"));
                         while(xr.hasNext()) {
                                int e = xr.next();
                                if (e == XMLStreamReader.START_ELEMENT) {
                                    String name = xr.getLocalName();
                                    xr.next();
                                    String value = null;

                                    try{
                                            value = xr.getText();
                                    }
                                    catch(IllegalStateException ex)
                                    {
                                            ex.printStackTrace();
                                    }
                 map.put(name, value);               
                                } 
                            }
                } catch (FileNotFoundException e1) {
                        e1.printStackTrace();
                } catch (XMLStreamException e1) {
                        e1.printStackTrace();
                } catch (FactoryConfigurationError e1) {
                        e1.printStackTrace();
                }

How do we handle the exception?

subash · Accepted Answer · 2015-02-13 13:58:25Z

1

I think your xml should be like this

<Root>
    <Address>
       <Name>Rahul</Name>
       <ID>2345</ID>
       <City>Pune</City>
       <Street>Gandhi Nagar</Street>
    </Address>
    <ContactAddress>
      <phone>223363</phone>
      <mobile>9988776655</mobile>
    </ContactAddress>
</Root>

answered Feb 13, 2015 at 13:58

subash

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2 Comments

cigno5.5 Over a year ago

Is useful to remember that a well-formed XML should have a root tag.

Vinod Over a year ago

Actually I got the issue It is not the issue with parent tags. I my xml one filed is coming with null value like, <phone/> So for that reason it is throwing the exception. How can I resolve it

bdoughan · Accepted Answer · 2015-02-13 15:24:01Z

1

Change your code to do the following to leverage the getElementText() method instead of attempting to advance to a text node that may not exist instead:

int e = xr.next();
if (e == XMLStreamReader.START_ELEMENT) {
    String name = xr.getLocalName();
    // xr.next();
    String value = null;
    try{
        if(xr.hasText()) {
            value = xr.getElementText(); // was xr.getText();
        }
    }
    catch(IllegalStateException ex)
    {
        ex.printStackTrace();
    }
    map.put(name, value);               
}

edited Feb 13, 2015 at 15:24

answered Feb 13, 2015 at 15:06

bdoughan

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4 Comments

Vinod Over a year ago

Getting parse error, Message: elementGetText() function expects text only element but START_ELEMENT wa encountered.

bdoughan Over a year ago

@Precious - See update that uses hasText() method.

Vinod Over a year ago

Now the exception is cleared but all the values are coming with null value.

Vinod Over a year ago

It is not even entered in to the hasText() loop.

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